GOST 15933.4-1990
Ferroniobium. Method for determination of silicon

Standard No.

GOST 15933.4-1990

Release Date

1990

Published By

RU-GOST R

Latest

GOST 15933.4-1990

Replace

GOST 15933.4-1970

Scope

This standard establishes a gravimetric method for the determination of silicon in ferroniobium with a mass fraction of 0.5 to 25%

GOST 15933.4-1990 Referenced Document

• GOST 10484-1978 Reagents. Hydrofluoric acid. Specifications
• GOST 20515-1975 Aluminium thermal treated ferromobium. Sampling method and sample preparation for chemikal analysis
• GOST 22180-1976 Reagents. Oxalic acid. Specifications
• GOST 28473-1990 Iron, steel, ferroalloys, metal chromium and metal manganese. General requirements for methods of analysis
• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 4204-1977 Reagents. Sulphuric acid. Specifications
• GOST 4461-1977 Reagents. Nitric acid. Specifications
• GOST 83-1979 Reagents. Sodium carbonate. Specifications

GOST 15933.4-1990 history

• 1990 GOST 15933.4-1990 Ferroniobium. Method for determination of silicon
• 0000 GOST 15933.4-1970